Shad'O Cheats

NOTE: As their name suggests hints are not exactly Shad'O cheats, and are usually just simple (but very useful) tips on how you can unlock secret level, features, find hidden areas and such. Hopefully these will make playing Shad'O even more entertaining.

Steam Achievements
Alakazam: Unlock all the spells in the book.
Blood ties: Save all the memories in nightmare mode.
Bodyguard: Defeat the first Boss without letting any of your companions get electrocuted.
Catch them all!: Unlock all of your companions' upgrades in the book.
Comfort Eagle: Pass all the special battles.
Diet!: Win the "Ice trap" battle without using the Greedy companion.
Easter!: Gulp a dozen "Shell" shadows down with your Greedy companions.
Exterminator: Kill 2500 enemies.
Fireworks: Cast at least once each 10 spells during a battle and win it.
Get physical: Win the "Underneath the Christmas tree" battle using only Collector and Pulsor companions. (Spells are allowed)
Great Explorer: Fully explore the William's memories map.
Hearty trencherman: Win "The endless corridor" battle using only Collector and Greedy companions. (Spells are allowed)
Mana fountain: Get 250 magic resource in any battle.
Minesweeper: Destroy 10 "Bomb" shadows before they explode.
Moment of truth: Defeat the last Boss.
Moneywise: Sell 30 companions during a battle and win it.
No harm done!: Defeat the second Boss without using the Doc companion or the "Care" spell.
Painful memory: Defeat the second Boss.
Pinchpenny: Reach 2500 light resource in any battle.Puffed out: Defeat the third Boss without using the "Sacrifice" spell.
Rainbow Warrior: Win "The slabs waterfall" battle using only Collector and Rainbow companions. (Spells are allowed)
Rescue team: Watch the credits till the end.
Resuscitation: Defeat the first Boss.
Sadist: Make it so that 4 Collector companions get destroyed in "The snowmen's waltz" battle.
Shadow killer: Kill 5000 enemies.
Short range: Win the "Dark woods" battle without using any range boost locations.
Sorcerer's Apprentice: Cast 20 spells during a battle and win it.
Spring cleaning: Kill 1000 enemies.
Thrifty: Reach 1000 light resource in any battle.
War Chief: Use 10 different companions during a battle and win it.